| addftinfo | 
                    Reads a troff font file and adds some additional
                    font-metric information that is used by the
                    groff
                    system
                   | 
              
                | afmtodit | 
                    Creates a font file for use with groff and grops
                   | 
              
                | eqn | 
                    Compiles descriptions of equations embedded within troff
                    input files into commands that are understood by
                    troff
                   | 
              
                | eqn2graph | 
                    Converts a troff EQN (equation) into a cropped image
                   | 
              
                | geqn | 
                    A link to eqn
                   | 
              
                | grn | 
                    A groff
                    preprocessor for gremlin files
                   | 
              
                | grodvi | 
                    A driver for groff that produces TeX dvi
                    format
                   | 
              
                | groff | 
                    A front-end to the groff document formatting system;
                    normally, it runs the troff program and a
                    post-processor appropriate for the selected device
                   | 
              
                | groffer | 
                    Displays groff files and man pages on X and tty terminals
                   | 
              
                | grog | 
                    Reads files and guesses which of the groff options -e, -man, -me, -mm, -ms, -p, -s, and -t are required for printing
                    files, and reports the groff command including those
                    options
                   | 
              
                | grolbp | 
                    Is a groff
                    driver for Canon CAPSL printers (LBP-4 and LBP-8 series
                    laser printers)
                   | 
              
                | grolj4 | 
                    Is a driver for groff that produces output in
                    PCL5 format suitable for an HP LaserJet 4 printer
                   | 
              
                | grops | 
                    Translates the output of GNU troff to PostScript
                   | 
              
                | grotty | 
                    Translates the output of GNU troff into a form suitable for
                    typewriter-like devices
                   | 
              
                | gtbl | 
                    A link to tbl
                   | 
              
                | hpftodit | 
                    Creates a font file for use with groff -Tlj4 from an HP-tagged
                    font metric file
                   | 
              
                | indxbib | 
                    Creates an inverted index for the bibliographic databases
                    with a specified file for use with refer, lookbib, and
                    lkbib
                   | 
              
                | lkbib | 
                    Searches bibliographic databases for references that
                    contain specified keys and reports any references found
                   | 
              
                | lookbib | 
                    Prints a prompt on the standard error (unless the
                    standard input is not a terminal), reads a line
                    containing a set of keywords from the standard input,
                    searches the bibliographic databases in a specified file
                    for references containing those keywords, prints any
                    references found on the standard output, and repeats this
                    process until the end of input
                   | 
              
                | mmroff | 
                    A simple preprocessor for groff
                   | 
              
                | neqn | 
                    Formats equations for American Standard Code for
                    Information Interchange (ASCII) output
                   | 
              
                | nroff | 
                    A script that emulates the nroff command using
                    groff
                   | 
              
                | pfbtops | 
                    Translates a PostScript font in .pfb format to ASCII
                   | 
              
                | pic | 
                    Compiles descriptions of pictures embedded within troff
                    or TeX input files into commands understood by TeX or
                    troff
                   | 
              
                | pic2graph | 
                    Converts a PIC diagram into a cropped image
                   | 
              
                | post-grohtml | 
                    Translates the output of GNU troff to HTML
                   | 
              
                | pre-grohtml | 
                    Translates the output of GNU troff to HTML
                   | 
              
                | refer | 
                    Copies the contents of a file to the standard output,
                    except that lines between .[ and .] are interpreted as
                    citations, and lines between .R1 and .R2 are interpreted as
                    commands for how citations are to be processed
                   | 
              
                | soelim | 
                    Reads files and replaces lines of the form .so file by the contents of
                    the mentioned file
                   | 
              
                | tbl | 
                    Compiles descriptions of tables embedded within troff
                    input files into commands that are understood by
                    troff
                   | 
              
                | tfmtodit | 
                    Creates a font file for use with groff -Tdvi
                   | 
              
                | troff | 
                    Is highly compatible with Unix troff; it should usually be
                    invoked using the groff command, which will also
                    run preprocessors and post-processors in the appropriate
                    order and with the appropriate options
                   | 
              
                | zsoelim | 
                    A link to soelim
                   |